Home / 1,636.17-2,454.50-540.30

Finding the Fourth Proportional to 1,636.17, 2,454.50 and 540.30

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Solution

The fourth proportional to 1,636.17, 2,454.50 and 540.30 is: 810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.17 : 2,454.50 = 540.30 : x
  2. Step 2: Convert to fraction form
    1,636.17/2,454.50 = 540.30/x
  3. Step 3: Cross multiply
    1,636.17x = 2,454.50 × 540.30
  4. Step 4: Simplify right side
    1,636.17x = 1,326,156.20
  5. Step 5: Solve for x
    x = 1,326,156.20/1,636.17
  6. Step 6: Final answer
    x = 810.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.